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Spontaneous lithiation of binary oxides during epitaxial growth on LiCoO2
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Wang, Le, Yang, Zhenzhong, Samarakoon, Widitha S., Zhou, Yadong, Bowden, Mark E., Zhou, Hua, Tao, Jinhui, Zhu, Zihua, Lahiri, Nabajit, Droubay, Timothy C., Lebens-Higgins, Zachary, Yin, Xinmao, Tang, Chi Sin, Feng, Zhenxing, Piper, Louis F. J., Wee, Andrew T. S., Chambers, Scott A. and Du, Yingge (2022) Spontaneous lithiation of binary oxides during epitaxial growth on LiCoO2. Nano Letters, 22 (13). pp. 5530-5537. doi:10.1021/acs.nanolett.2c01701 ISSN 1530-6984.
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WRAP-Spontaneous-lithiation-binary-oxides-epitaxial-growth-2022.pdf - Accepted Version - Requires a PDF viewer. Download (1680Kb) | Preview |
Official URL: http://dx.doi.org/10.1021/acs.nanolett.2c01701
Abstract
Epitaxial growth is a powerful tool for synthesizing heterostructures and integrating multiple functionalities. However, interfacial mixing can readily occur and significantly modify the properties of layered structures, particularly for those containing energy storage materials with smaller cations. Here, we show a two-step sequence involving the growth of an epitaxial LiCoO2 cathode layer followed by the deposition of a binary transition metal oxide. Orientation-controlled epitaxial synthesis of the model solid-state-electrolyte Li2WO4 and anode material Li4Ti5O12 occurs as WO3 and TiO2 nucleate and react with Li ions from the underlying cathode. We demonstrate that this lithiation-assisted epitaxy approach can be used for energy materials discovery and exploring different combinations of epitaxial interfaces that can serve as well-defined model systems for mechanistic studies of energy storage and conversion processes.
Item Type: | Journal Article | ||||||||||||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Lithium compounds , Thin films , Energy storage , Energy storage -- Materials, Cathodes | ||||||||||||||||||
Journal or Publication Title: | Nano Letters | ||||||||||||||||||
Publisher: | American Chemical Society | ||||||||||||||||||
ISSN: | 1530-6984 | ||||||||||||||||||
Official Date: | 13 July 2022 | ||||||||||||||||||
Dates: |
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Volume: | 22 | ||||||||||||||||||
Number: | 13 | ||||||||||||||||||
Page Range: | pp. 5530-5537 | ||||||||||||||||||
DOI: | 10.1021/acs.nanolett.2c01701 | ||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
Copyright Holders: | Copyright © 2022 American Chemical Society | ||||||||||||||||||
Date of first compliant deposit: | 7 July 2022 | ||||||||||||||||||
Date of first compliant Open Access: | 30 June 2023 | ||||||||||||||||||
RIOXX Funder/Project Grant: |
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